EN 60153-2:2016 Hollow metallic waveguides - Part 2: Relevant specifications for ordinary rectangular waveguides
IEC 60050 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 904: Environmental standardization for electrical and electronic products and systems*, 2019-10-17 Update
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
BS EN 60154-2:2016 history
2016BS EN 60154-2:2016 Flanges for waveguides. Relevant specifications for flanges for ordinary rectangular waveguides
1985BS EN 60154-2:1997 Flanges for waveguides - Relevant specifications for flanges for ordinary rectangular waveguides